单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Inventors and inventions,Unit 3,Inventors and inventionsUnit,Newton,gravity,discovered,Q1:The difference between,a discovery and an invention,?,Newtongravitydiscovered Q1:The,Zhang Heng,the seismograph,地动仪,invented,Zhang Heng the seismographinve,An invention is _,_.,A discovery is _,_,_.,already existing in nature but not yet,known,finding out something,not existing before,creating something,Work out two rules:,An invention is _,Q2:Do you know what are the four inventions in ancient China?,compass,powder,papermaking,printing,Q2:Do you know what are the fo,How much do you know about the forineign ventors and the inventions?,Lets have a quiz.,How much do you know about the,1._ isnt Thomas Edisons invention.,The long-,lasting,practical,electric,light bulb,B.The phonograph,(,留声机,),C.The practical,publicly,demonstrated,television system,1._ isnt Thomas Edisons,2._ is called“Father of Car”.,A.Rudolf Diesel,B.Karl Benz,C.Thomas Edison,2._ is called“Father of,3._ is called“Father of Dynamite(,炸药,)”.,A.Alfred Nobel B.Albert Einstein C.Alexander Bell,3._ is called“Father of,5._ invented the first airplane.,A.Wright Brothers,B.Henry Ford,C.Benjamin Franklin,5._ invented the first air,Look at the pictures.What inventions can you think of?,submarine,Look at the pictures.What inv,Reading,THE PROBLEM,OF THE SNAKES,ReadingTHE PROBLEM,Read the passage quickly to find the main idea of each part.,Read the passage quickly to fi,Divide the text into,four parts,and work out the main idea for each part.,Part I,Part II,Part III,Part IV,(Para.1),The discovery of the problem of the snakes.,(Paras.2-3),The research on the approaches to solve the problem.,(Paras.4-6),The attempts to catch the snakes.,(Paras.7-8),The requirement of getting a patent.,Divide the text into four part,Skimming,Reading Comprehension II,How many possible approaches did,the author decide on catching snakes?,A.Two B.Three,C.Four D.Five,2.The writer succeeded in catching the,snakes in the _ attempt.,A.first B.second,C.third D.fourth,SkimmingReading Comprehension,Scanning,to get,detail information,Scanning,In this passage,the writer wants to encourage the readers to consider carefully the problems in daily life.,The writer was successful in catching the snakes using the second approach,An inventor can easily get the patent for the invention.,T or F,scanning,Reading Comprehension III,_,_,In this passage,the writer wa,4.The writer collected the passive snakes at his third attempt.,5.If you have a scientific theory or mathematical model,you can get a patent(,专利,).,6.If your inventions pass the test,your application for a patent will be published 17 months from the date you apply.,4.The writer collected the pa,scanning,Reading Comprehension IV,How did the writer catch the snakes?,Using something to attract the snakes,into a trap.,B.Taking their habitat to another place.,C.Cooling the snakes so that they,became sleepy.,D.All the above.,scanningReading Comprehension,2.What instruments were used for catching the snakes?,A.A bowl,ice-cubes,male perfumeB.A bowl,a bucket,female perfumeC.A small net,ice-cubes,a bucketD.A small net,a bucket,powders,2.What instruments were used,3.The biggest advantage of the writers new idea is that _.,A.it makes the snakes move slowlyB.it makes the snakes hardly bite usC.it is easier for us to kill the snakes without hurting ourselvesD.it is easier for us to catch the snakes without killing them,3.The biggest advantage of t,4.According to the text,which subject do you think can be given a patent?,A.A new star discovered by a scientist.B.A new novel written by Huo Da.C.A new kind of grass found in a mountain which can be used as a medicine.D.A new way to make dirty water clean.,4.According to the text,whic,Read the passage and answer the following questions:,What was the mother upset about?,2.Why was the writer happy to help her,mother?,3.How many stages are needed in making an invention?What are they?,scanning,Reading Comprehension V,Read the passage and answer th,What was the mother upset about?,2.Why was the writer happy to help her,mother?,The mother was upset because a family of snakes had made their home near the house.,The writer was happy because it gave her an opportunity to help her mother and invent something to catch the snakes without hurting them at the same time.,What was the mother upset abou,the stages in making an invention,Paragraph,Stages in the inventing process,1,2,3,4,5,6,7,Find a problem,Do research,Think of a creative solution,Test the solution several times,Apply for a patent,the stages in making an invent,Apply what weve learned:,In groups look at the following problems.Choose one and use the scientific stages to design a new invention to solve it.,Discussion,Apply what weve learned:In gr,Problem 1,:,The ripe apples on your,apple tree are too high for you to reach.What can you invent to pick the apples,in comfort?,Problem 2,:,You need to make a house,but you only have stri